Uploaded July 2025 | Updated September 2026, 2 weeks ago

#coding #numpy #python

The purpose of arithmetic in NumPy is to perform fast, element-wise operations on entire arrays without writing loops.

00:00:00 scalar arithmetic
00:02:03 vectorized math functions
00:03:50 EXERCISE
00:05:08 element-wise arithmetic
00:06:39 comparison operators

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$Python PyQt5 RADIO BUTTONS are easy! 🔘 #pythontutorial #python #pythonprogramming # PyQt5 radio buttons import sys from PyQt5.QtWidgets import QApplication, QMainWindow, QRadioButton, QButtonGroup class MainWindow(QMainWindow): def init (self): super(). init () self.setGeometry(700, 300, 500, 500) self.radio1 = QRadioButton(Visa, self) self.radio2 = QRadioButton(Mastercard, self) self.radio3 = QRadioButton(Gift Card, self) self.radio4 = QRadioButton(In-Store, self) self.radio5 = QRadioButton(Online, self) self.button_group1 = QButtonGroup(self) self.button_group2 = QButtonGroup(self) self.initUI() def initUI(self): self.radio1.setGeometry(0, 0, 300, 50) self.radio2.setGeometry(0, 50, 300, 50) self.radio3.setGeometry(0, 100, 300, 50) self.radio4.setGeometry(0, 150, 300, 50) self.radio5.setGeometry(0, 200, 300, 50) self.setStyleSheet(QRadioButton{ font-size: 40px; font-family: Arial; padding: 10px; }) self.button_group1.addButton(self.radio1) self.button_group1.addButton(self.radio2) self.button_group1.addButton(self.radio3) self.button_group2.addButton(self.radio4) self.button_group2.addButton(self.radio5) self.radio1.toggled.connect(self.radio_button_changed) self.radio2.toggled.connect(self.radio_button_changed) self.radio3.toggled.connect(self.radio_button_changed) self.radio4.toggled.connect(self.radio_button_changed) self.radio5.toggled.connect(self.radio_button_changed) def radio_button_changed(self): radio_button = self.sender() if radio_button.isChecked(): print(f{radio_button.text()} is selected) if name main : app = QApplication(sys.argv) window = MainWindow() window.show() sys.exit(app.exec_())$

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NumPy arithmetic is easy! ✖️